A deleted scene has Ripley asking the scientists if they're from Weyland-Yutani. Turns out WY doesn't exit anymore - it was bought out by Wal Mart.
DiStephano's Skewed Priorities upon finding out Call is a robot. He starts geeking out right in front of her and looks positively giddy to meet an android.
Purvis: Great. She's a toaster.
A Call Back to Ripley pulling out a Xenomorph's inner mouth and handing it to Call as a souvenir. When she gets into a fight with Johner, she grabs his tongue and asks Call if she wants another souvenir.
Ripley manages to join the Betty crew at the last minute.